NL7608264A - PROCEDURE FOR THE REMOVAL OF FLUOR FROM PHOSPHORUS COMPOUNDS. - Google Patents

PROCEDURE FOR THE REMOVAL OF FLUOR FROM PHOSPHORUS COMPOUNDS.

Info

Publication number
NL7608264A
NL7608264A NL7608264A NL7608264A NL7608264A NL 7608264 A NL7608264 A NL 7608264A NL 7608264 A NL7608264 A NL 7608264A NL 7608264 A NL7608264 A NL 7608264A NL 7608264 A NL7608264 A NL 7608264A
Authority
NL
Netherlands
Prior art keywords
fluor
removal
procedure
phosphorus compounds
phosphorus
Prior art date
Application number
NL7608264A
Other languages
Dutch (nl)
Original Assignee
Stauffer Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of NL7608264A publication Critical patent/NL7608264A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/28—Ammonium phosphates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/405—Polyphosphates of ammonium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Removal Of Specific Substances (AREA)
NL7608264A 1975-08-14 1976-07-26 PROCEDURE FOR THE REMOVAL OF FLUOR FROM PHOSPHORUS COMPOUNDS. NL7608264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/604,572 US4053561A (en) 1975-08-14 1975-08-14 Removal of fluorine from phosphatic solutions

Publications (1)

Publication Number Publication Date
NL7608264A true NL7608264A (en) 1977-02-16

Family

ID=24420165

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7608264A NL7608264A (en) 1975-08-14 1976-07-26 PROCEDURE FOR THE REMOVAL OF FLUOR FROM PHOSPHORUS COMPOUNDS.

Country Status (12)

Country Link
US (1) US4053561A (en)
JP (1) JPS5223596A (en)
BE (1) BE845150A (en)
BR (1) BR7605233A (en)
CA (1) CA1071835A (en)
DE (1) DE2635893A1 (en)
ES (1) ES450704A1 (en)
FR (1) FR2320900A1 (en)
GB (1) GB1547212A (en)
IL (1) IL49926A (en)
NL (1) NL7608264A (en)
ZA (1) ZA764435B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199512A (en) * 1976-05-10 1980-04-22 E. R. Squibb & Sons, Inc. Compounds for alleviating hypertension
JPS5744441Y2 (en) * 1978-08-29 1982-10-01
US4511541A (en) * 1982-12-02 1985-04-16 J. R. Simplot Company Process for the recovery of cadmium and other metals from solution
DE3322503A1 (en) * 1983-06-23 1985-01-10 Hoechst Ag, 6230 Frankfurt METHOD FOR DEFLUORING ALKALIPHOSPHATE SOLUTIONS
IL69426A (en) * 1983-08-03 1986-10-31 Negev Phosphates Ltd Process for the manufacture of purified phosphoric acid
DE3347421A1 (en) * 1983-12-29 1985-07-11 Hoechst Ag, 6230 Frankfurt METHOD FOR PRODUCING LOW FLUORINE ALKALIPHOSPHATE SOLUTIONS
DE4011716A1 (en) * 1990-04-11 1991-10-17 Hoechst Ag METHOD FOR PRODUCING ALKALIPHOSPHATE SOLUTIONS
US8202449B2 (en) * 2006-10-31 2012-06-19 Icl Performance Products, Lp Corrosion-inhibited ammonium polyphosphate fire retardant compositions
US8951807B2 (en) * 2010-01-15 2015-02-10 Bio-Rad Laboratories, Inc. Surface neutralization of apatite
US8895707B2 (en) 2010-08-18 2014-11-25 Bio-Rad Laboratories, Inc. Elution of proteins from hydroxyapatite resins without resin deterioration
JP5881744B2 (en) * 2011-02-02 2016-03-09 バイオ−ラッド ラボラトリーズ インコーポレーティッド Surface neutralization method of apatite with alkaline solution
CN104507952B (en) 2012-05-30 2018-08-10 生物辐射实验室股份有限公司 The in situ of chromatography resin based on apatite restores
WO2014121398A1 (en) 2013-02-06 2014-08-14 X'aan Innovations Inc. Ammonium polyphosphate based fire-retardant compositions
US10099157B2 (en) 2014-06-23 2018-10-16 Bio-Rad Laboratories, Inc. Apatite in-situ restoration
WO2015200282A1 (en) 2014-06-23 2015-12-30 Bio-Rad Laboratories, Inc. Apatite pretreatment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2044940A (en) * 1933-11-25 1936-06-23 Grasselli Chemical Co Preparation of a soluble phosphate
GB467843A (en) * 1936-01-06 1937-06-24 Kunstdunger Patent Verwertungs Method of separating fluorine and aluminium from solutions obtained by treatment of raw phosphate with acids
GB1052410A (en) * 1962-11-14
GB302485A (en) * 1963-04-01 1928-12-20 Saji Tsujita Improvements in or relating to distance meters
US3645682A (en) * 1967-09-13 1972-02-29 Multi Minerals Ltd A process for producing phosphoric acid by the use of ion exchange resins
DE2029564C3 (en) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Process for the production of pure alkali phosphates from rock phosphoric acid
US3937783A (en) * 1974-02-21 1976-02-10 Allied Chemical Corporation Recovery of fluorine, uranium and rare earth metal values from phosphoric acid by-product brine raffinate

Also Published As

Publication number Publication date
BE845150A (en) 1977-02-14
US4053561A (en) 1977-10-11
FR2320900B1 (en) 1979-09-07
JPS5223596A (en) 1977-02-22
CA1071835A (en) 1980-02-19
ZA764435B (en) 1977-07-27
FR2320900A1 (en) 1977-03-11
IL49926A0 (en) 1976-08-31
DE2635893A1 (en) 1977-02-24
GB1547212A (en) 1979-06-06
IL49926A (en) 1978-08-31
BR7605233A (en) 1977-08-09
ES450704A1 (en) 1977-12-16

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Legal Events

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BV The patent application has lapsed